(19)

(11)

EP 2 844 452 A2

(12)

(88) Date of publication A3: 27.12.2013 (43) Date of publication: 11.03.2015 Bulletin 2015/11 (21) Application number: 13723609.7 (22) Date of filing: 01.05.2013

(51) International Patent Classification (IPC):  B29C 45/40(2006.01) B29C 33/38(2006.01) (86) International application number: PCT/US2013/039101 (87) International publication number: WO 2013/166175 (07.11.2013 Gazette 2013/45)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 03.05.2012 US 201213463471 (71) Applicant: US Synthetic Corporation Orem, UT 84058 (US)	(72) Inventors: JUDD, Robert, Keith Spanish Fork, UT 84660 (US) LEWIS, Terry, Mitchell Orem, UT 84058 (US) (74) Representative: Zardi, Marco  M. Zardi & Co. SA Via Pioda 6 6900 Lugano 6900 Lugano (CH)